2179682057 has 16 divisors (see below), whose sum is σ = 2563341312. Its totient is φ = 1814503680.

The previous prime is 2179682039. The next prime is 2179682059. The reversal of 2179682057 is 7502869712.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2179682057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2179682059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46973 + ... + 81029.

It is an arithmetic number, because the mean of its divisors is an integer number (160208832).

Almost surely, 2^2179682057 is an apocalyptic number.

It is an amenable number.

2179682057 is a deficient number, since it is larger than the sum of its proper divisors (383659255).

2179682057 is a wasteful number, since it uses less digits than its factorization.

2179682057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34328.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 2179682057 is about 46687.0652001173. The cubic root of 2179682057 is about 1296.5752176621.

The spelling of 2179682057 in words is "two billion, one hundred seventy-nine million, six hundred eighty-two thousand, fifty-seven".